| MATHEMATICAL MODEL OF OVERLAND FLOW AND MECHANISM OF SOIL CONSERVATION FOR FORESTED STEEP HILLSLOPE－－（II）Mechanism of Soil Conservation Over Steep Hillslope |
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| 作者姓名： | WU Changwen and WANG Lixian |
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| 作者单位： | WU Changwen and WANG Lixian ( Science. Nanchang College of Water Resources and Hydro Power，330029)( Dept of Soil and Water Conservation，Beijing Forestry University，100083，PRC) |
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| 摘 要： | ＭＡＴＨＥＭＡＴＩＣＡＬＭＯＤＥＬＯＦＯＶＥＲＬＡＮＤＦＬＯＷＡＮＤＭＥＣＨＡＮＩＳＭＯＦＳＯＩＬＣＯＮＳＥＲＶＡＴＩＯＮＦＯＲＦＯＲＥＳＴＥＤＳＴＥＥＰＨＩＬＬＳＬＯＰＥ－－（ＩＩ）ＭｅｃｈａｎｉｓｍｏｆＳｏｉｌＣｏｎｓｅｒｖａｔｉｏｎＯｖｅｒＳｔ...
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MATHEMATICAL MODEL OF OVERLAND FLOW AND MECHANISM OF SOIL CONSERVATION FOR FORESTED STEEP HILLSLOPE --- (II) Mechanism of Soil Conservation Over Steep Hillslope |
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| WU Changwen and WANG Lixian.MATHEMATICAL MODEL OF OVERLAND FLOW AND MECHANISM OF SOIL CONSERVATION FOR FORESTED STEEP HILLSLOPE --- (II) Mechanism of Soil Conservation Over Steep Hillslope[J].International Journal of Sediment Research,1995(2). |
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| Authors: | WU Changwen and WANG Lixian |
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| Abstract: | In this part,a model for soil erosion process over forested and deforested steep hillslope has been established, making use of solution to overland flow. derived from the precedent part of the paper. The feasibility of the model has been verified by the plot experiment of rainfall simulation. This model differs from either the empirical model or the existing medels based on the sediment transport equation of fluvial dynamics. Plot experiment results of rainfall simulation indicate that effects of soil conservation over forested land is mainly resulted from vegetation or litter which can significantly reduce or eliminate the splash erosion and increase the erosion-resistance of the soil. |
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| Keywords: | Soil erosion over hillslope Forested land Mechanism of soil conservation Rainfall simulation |
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